Finding the Fourth Proportional to 780,165.36, 1,168,356.26 and 539,604.12
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Solution
The fourth proportional to 780,165.36, 1,168,356.26 and 539,604.12 is: 808,097.72
Step by Step Solution
- Step 1: Write the proportion equation
780,165.36 : 1,168,356.26 = 539,604.12 : x - Step 2: Convert to fraction form
780,165.36/1,168,356.26 = 539,604.12/x - Step 3: Cross multiply
780,165.36x = 1,168,356.26 × 539,604.12 - Step 4: Simplify right side
780,165.36x = 630,449,851,523.79 - Step 5: Solve for x
x = 630,449,851,523.79/780,165.36 - Step 6: Final answer
x = 808,097.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.